Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Lawrenceville-Vincennes International Airport (KLWV)

Lat: 38.76°NLon: 87.6°WElev: 433ft.

Fair

78°F

26°C

Humidity 93%
Wind Speed S 8 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 76°F (24°C)
Visibility 9.00 mi
Heat Index81°F (27°C)
Last update 26 Jul 5:53 am CDT
Extended Forecast for

Petersburg IN

Extreme Heat Watch July 28, 01:00pm until July 29, 09:00pm
Heat Advisory July 26, 07:44am until July 28, 01:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  •  
    Heat Advisory July 26, 07:44am until July 28, 01:00pm

    NOW until 1:00pm Mon

    Heat Advisory

  • Today

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 76. South southwest wind around 6 mph.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind around 8 mph.

    High: 92 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 94. Light southwest wind.

    High: 94 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Light south southeast wind becoming south southwest 5 to 10 mph in the morning.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. South southwest wind around 6 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 92. Heat index values as high as 106. Southwest wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 76. West southwest wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light southwest wind.
Monday Night
Partly cloudy, with a low around 77. Calm wind.
Tuesday
Sunny, with a high near 95. Calm wind.
Tuesday Night
Mostly clear, with a low around 77. Calm wind.
Wednesday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 94. Calm wind.
Wednesday Night
A chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 73. Light north northeast wind.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Northeast wind 5 to 7 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Northeast wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 81. East northeast wind 7 to 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Petersburg IN
 38.49°N 87.29°W
6:31 am EDT Jul 26, 2025
7am EDT Jul 26, 2025-6pm EDT Aug 1, 2025
 
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Additional Resources

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